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VLSI Process Integration
Published in Kumar Shubham, Ankaj Gupta, Integrated Circuit Fabrication, 2021
The CMOS technology is used in development of the processors, micro controllers, embedded systems, digital logic circuits and application specific integrated circuits. Its chief advantage is low-power dissipation, full logic swing, high-packing density and very low noise margin. Its most common application is in digital circuitry.
Integrated circuits
Published in Stephen Sangwine, Electronic Components and Technology, 2018
The majority of ICs fabricated today contain complementary metal-oxide semiconductor (CMOS) logic, because CMOS offers low power and high circuit density. Despite the low power dissipation of individual gates, a chip with millions of gates can dissipate significant power when clocked at a high frequency. CMOS is a logic technology using n-channel and p-channel metal-oxide-semiconductor field-effect transistors (MOSFETs) on the same chip. Morant (1990) has given structures for MOSFETs.
Force-System Resultants and Equilibrium
Published in Richard C. Dorf, The Engineering Handbook, 2018
A very important MOSFET configuration is the complementary symmetry MOSFET, or CMOS circuit. In Figure 117.25, a CMOS inverter circuit is shown, comprising an N-channel MOSFET (NMOS) and a P-channel MOSFET (PMOS). In Figure 117.25 (b), the situation is shown with the input signal in the high or “ 1 ” state. The NMOS is now on and exhibits a moderately low resistance, typically on the order of 100Ω. The PMOS is off and acts as a very high resistance. This situation results in the output voltage, Vo going low, close to ground potential (0V).
Production of orthophoto map using mobile photogrammetry and comparative assessment of cost and accuracy with satellite imagery for corridor mapping: a case study in Manesar, Haryana, India
Published in Annals of GIS, 2023
Manuj Dev, Shetru M Veerabhadrappa, Ashutosh Kainthola, Manas K Jha
The cameras used for our study are Canon electro optical system (EOS) 70D (Kissiyar et al., 2008) which is having 20.2 megapixels with advanced photosystem type-C (APS-C) CMOS-sensor and built in Wi-Fi and have digital imaging integrated circuit (DIGIC) 5+ image processor with ISO-range of 100–12800 (H: 25600) with electronic shutter. CMOS-sensor stands for complementary metal oxide semiconductor that converts the light into electrical signals. It allows shooting in a wide variety of lighting conditions. The touchscreen is 3-inches with 19-point cross type auto focus and 7.0 fps continuous burst shooting. Canon’s EOS 70D captures a massive 5472 × 3648-pixel resolution, which is good enough for even the largest enlargements and offers the best quality for significant cropping, while preserving the essence and detail of the scene. 14-bit signal processing ensures excellent tonal gradation and a wide (the International Organization for Standardization) range of 100–12800 (H: 25600) ensures excellent image capture even in dim lighting situations. Canon’s EOS 70D uses the DIGIC 5+ Image Processor to enhance the camera’s image sensor for faster data processing, improved noise reduction and even real-time compensation for chromatic aberration.
A Novel Design of 12-bit Digital Comparator Using Multiplexer for High Speed Application in 32-nm CMOS Technology
Published in IETE Journal of Research, 2022
D. N. Mukherjee, S. Panda, B. Maji
In the present scenario, low power and high speed are imperative factors in the field of digital VLSI circuits. Since CMOS consumes less power and provides high speed, it's thought-about because the best various style method within the digital circuit [1–3]. The conventional CMOS logic-based inverter consists of one NMOS transistor and one PMOS transistor. The gates of two transistor are shorted at where the input is applied. The drains of two transistors are also shorted. The source of the NMOS transistor is connected to the ground and the source of PMOS transistor is connected to the power supply. Output is taken from the drain terminal. The CMOS logic circuit is outlined in a way that stands out system is directing at once. The CMOS logic technique-based inverter is shown in Figure 5.
A survey of leakage reduction techniques in CMOS digital circuits for nanoscale regime
Published in Australian Journal of Electrical and Electronics Engineering, 2021
Complementary metal oxide semiconductor (CMOS) logic is commonly employed for the ICs because of numerous advantages as compared to other logics. The few key benefits of the CMOS logic are high noise immunity, low leakage power, easy fabrication, high device density, low complexity, full rail to rail output etc. CMOS logic comprises two power dissipation components: dynamic and static power dissipation. The current flows during the logic transitions is identified as dynamic current which originates dynamic power dissipation. Static current flows during the static logic levels and accumulates the static power dissipation. Dynamic power dissipation is the major part of the total power dissipation when technology nodes are generally above 100 nm. But, present electronic industry is working for the below 100 nm technology nodes. Therefore, static or leakage power dissipation is the key part of the total power dissipation in below 100 nm technology nodes.